#------------------------------------------------------------------------------ #$Date: 2024-10-13 03:21:57 +0300 (Sun, 13 Oct 2024) $ #$Revision: 295469 $ #$URL: file:///home/coder/svn-repositories/cod/cif/7/16/01/7160178.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_7160178 loop_ _publ_author_name 'Chahal, Kapil' 'Badha, Ravikumar' 'Matharu, Simran Kaur' 'Vinod, Anjana' 'Damera, Vani' 'Potluri, Vijayarani' 'Balasubramanian, Sridhar' 'Reddy, Kallu Rajender' _publ_section_title ; Silver-Catalyzed Regioselective Synthesis of Pyrano Heterocycles: A Versatile Route to Samoquasine A Derivatives ; _journal_name_full 'Organic & Biomolecular Chemistry' _journal_paper_doi 10.1039/D4OB01446D _journal_year 2024 _chemical_formula_moiety 'C19 H14 N2 O' _chemical_formula_sum 'C19 H14 N2 O' _chemical_formula_weight 286.32 _space_group_crystal_system monoclinic _space_group_IT_number 14 _space_group_name_Hall '-P 2ybc' _space_group_name_H-M_alt 'P 1 21/c 1' _atom_sites_solution_hydrogens geom _audit_creation_method SHELXL-2019/2 _audit_update_record ; 2024-01-30 deposited with the CCDC. 2024-10-08 downloaded from the CCDC. ; _cell_angle_alpha 90 _cell_angle_beta 92.710(3) _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 7.9636(5) _cell_length_b 17.0485(10) _cell_length_c 10.3861(7) _cell_measurement_reflns_used 7184 _cell_measurement_temperature 294(2) _cell_measurement_theta_max 30.3095 _cell_measurement_theta_min 2.298 _cell_volume 1408.52(15) _computing_cell_refinement 'SAINT (Bruker, 2016)' _computing_data_collection 'APEX3 (Bruker, 2016)' _computing_data_reduction 'Bruker SAINT' _computing_molecular_graphics 'Bruker SHELXTL' _computing_publication_material 'Bruker SHELXTL' _computing_structure_refinement 'SHELXL-2018/3 (Sheldrick, 2018)' _computing_structure_solution 'SHELXT 2018/2 (Sheldrick, 2018)' _diffrn_ambient_temperature 294(2) _diffrn_measured_fraction_theta_full 0.993 _diffrn_measured_fraction_theta_max 0.957 _diffrn_measurement_device_type 'Bruker D8 QUEST PHOTON-100' _diffrn_measurement_method '\w and \f' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0541 _diffrn_reflns_av_unetI/netI 0.0484 _diffrn_reflns_Laue_measured_fraction_full 0.993 _diffrn_reflns_Laue_measured_fraction_max 0.957 _diffrn_reflns_limit_h_max 7 _diffrn_reflns_limit_h_min -11 _diffrn_reflns_limit_k_max 24 _diffrn_reflns_limit_k_min -23 _diffrn_reflns_limit_l_max 14 _diffrn_reflns_limit_l_min -14 _diffrn_reflns_number 22983 _diffrn_reflns_point_group_measured_fraction_full 0.993 _diffrn_reflns_point_group_measured_fraction_max 0.957 _diffrn_reflns_theta_full 25.242 _diffrn_reflns_theta_max 30.511 _diffrn_reflns_theta_min 2.560 _exptl_absorpt_coefficient_mu 0.085 _exptl_absorpt_correction_T_max 0.7461 _exptl_absorpt_correction_T_min 0.6944 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details ; SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D., J. Appl. Cryst. 48 (2015) 3-10 ; _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.350 _exptl_crystal_description block _exptl_crystal_F_000 600 _exptl_crystal_size_max 0.230 _exptl_crystal_size_mid 0.210 _exptl_crystal_size_min 0.160 _refine_diff_density_max 0.240 _refine_diff_density_min -0.164 _refine_diff_density_rms 0.037 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.046 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 200 _refine_ls_number_reflns 4119 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.046 _refine_ls_R_factor_all 0.0989 _refine_ls_R_factor_gt 0.0548 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w=1/[\s^2^(Fo^2^)+(0.0633P)^2^+0.2643P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1273 _refine_ls_wR_factor_ref 0.1544 _reflns_Friedel_coverage 0.000 _reflns_number_gt 2582 _reflns_number_total 4119 _reflns_threshold_expression 'I > 2\s(I)' _cod_data_source_file d4ob01446d2.cif _cod_data_source_block KB1225_0m _cod_original_sg_symbol_H-M 'P 21/c' _cod_database_code 7160178 _shelx_shelxl_version_number 2019/2 _shelx_space_group_comment ; The symmetry employed for this shelxl refinement is uniquely defined by the following loop, which should always be used as a source of symmetry information in preference to the above space-group names. They are only intended as comments. ; _shelx_estimated_absorpt_t_min 0.981 _shelx_estimated_absorpt_t_max 0.987 _shelx_res_file ; TITL KB1225_0m_a.res in P2(1)/c KB1225_0m.res created by SHELXL-2019/2 at 15:34:42 on 04-Dec-2023 CELL 0.71073 7.9636 17.0485 10.3861 90.0000 92.7099 90.0000 ZERR 4.00 0.0005 0.0010 0.0007 0.0000 0.0030 0.0000 LATT 1 SYMM -x, y+1/2, -z+1/2 SFAC C H N O UNIT 76 56 8 4 LIST 6 ! automatically inserted. Change 6 to 4 for CHECKCIF!! TEMP 21 ACTA L.S. 10 FMAP 2 PLAN 5 SIZE 0.23 0.21 0.16 OMIT -2 1 2 OMIT 2 3 1 OMIT 0 3 3 HTAB BOND $H CONF WGHT 0.063300 0.264300 FVAR 1.37091 C1 1 0.852338 0.299219 0.697537 11.00000 0.05339 0.04495 = 0.04247 0.00334 -0.00238 0.00149 AFIX 43 H1 2 0.796723 0.270852 0.631997 11.00000 -1.20000 AFIX 0 C2 1 0.925607 0.260502 0.801478 11.00000 0.05673 0.05286 = 0.05435 0.01447 0.00324 0.00605 AFIX 43 H2 2 0.920996 0.206039 0.804955 11.00000 -1.20000 AFIX 0 C3 1 1.006939 0.301970 0.901989 11.00000 0.05055 0.08038 = 0.04879 0.02279 -0.00454 0.00131 AFIX 43 H3 2 1.056740 0.275037 0.971680 11.00000 -1.20000 AFIX 0 C4 1 1.013692 0.381666 0.898462 11.00000 0.04834 0.08186 = 0.03897 0.00458 -0.00722 -0.00798 AFIX 43 H4 2 1.065902 0.408912 0.966828 11.00000 -1.20000 AFIX 0 C5 1 0.942206 0.423423 0.792016 11.00000 0.03993 0.05561 = 0.03658 -0.00193 -0.00024 -0.00568 C6 1 0.860627 0.381357 0.689289 11.00000 0.03695 0.04372 = 0.03250 0.00014 0.00160 0.00114 C7 1 0.793510 0.425388 0.580105 11.00000 0.03741 0.03818 = 0.03243 -0.00187 0.00228 0.00010 C8 1 0.813817 0.506080 0.581879 11.00000 0.04105 0.03747 = 0.03726 -0.00348 0.00496 -0.00230 C9 1 0.895106 0.541738 0.691418 11.00000 0.05459 0.04297 = 0.05121 -0.00804 -0.00038 -0.00932 AFIX 43 H9 2 0.905302 0.596079 0.691287 11.00000 -1.20000 AFIX 0 C10 1 0.712371 0.390324 0.469601 11.00000 0.04997 0.03337 = 0.03445 -0.00112 -0.00222 -0.00089 AFIX 43 H10 2 0.697241 0.336248 0.466952 11.00000 -1.20000 AFIX 0 C11 1 0.656581 0.434941 0.367661 11.00000 0.04206 0.03956 = 0.03462 0.00006 0.00133 0.00200 C12 1 0.753714 0.555125 0.474393 11.00000 0.04617 0.03654 = 0.04362 0.00012 0.00834 0.00018 C13 1 0.597023 0.565784 0.268459 11.00000 0.05952 0.05237 = 0.05107 0.01554 0.00229 0.01229 AFIX 137 H13A 2 0.680595 0.578722 0.208278 11.00000 -1.50000 H13B 2 0.555259 0.613053 0.305676 11.00000 -1.50000 H13C 2 0.506059 0.538291 0.224503 11.00000 -1.50000 AFIX 0 C14 1 0.583918 0.395867 0.249302 11.00000 0.04596 0.04391 = 0.03539 0.00057 -0.00542 0.00516 C15 1 0.655806 0.404748 0.130435 11.00000 0.05049 0.06316 = 0.03834 0.00158 -0.00299 -0.00097 AFIX 43 H15 2 0.746632 0.438377 0.122257 11.00000 -1.20000 AFIX 0 C16 1 0.591481 0.363295 0.024461 11.00000 0.06135 0.07744 = 0.03460 -0.00329 -0.00449 0.01052 AFIX 43 H16 2 0.639266 0.369441 -0.054903 11.00000 -1.20000 AFIX 0 C17 1 0.457623 0.313139 0.035516 11.00000 0.06444 0.06632 = 0.04875 -0.01540 -0.01662 0.00935 AFIX 43 H17 2 0.414828 0.285876 -0.036327 11.00000 -1.20000 AFIX 0 C18 1 0.386989 0.303283 0.152848 11.00000 0.05889 0.05384 = 0.05847 -0.00615 -0.01195 -0.00453 AFIX 43 H18 2 0.297000 0.269089 0.160409 11.00000 -1.20000 AFIX 0 C19 1 0.449984 0.344319 0.259706 11.00000 0.05311 0.04908 = 0.04272 0.00093 -0.00211 0.00084 AFIX 43 H19 2 0.402330 0.337325 0.338935 11.00000 -1.20000 REM ##### REM ##### AFIX 0 N1 3 0.956661 0.504038 0.792358 11.00000 0.05855 0.05701 = 0.04725 -0.00873 -0.00844 -0.01119 N2 3 0.672378 0.515636 0.371043 11.00000 0.04858 0.03840 = 0.03702 0.00424 0.00177 0.00394 O1 4 0.769975 0.626752 0.471825 11.00000 0.07962 0.03488 = 0.06000 0.00238 0.00726 -0.00267 HKLF 4 1 1 0 0 0 1 0 0 0 1 REM KB1225_0m_a.res in P2(1)/c REM wR2 = 0.1544, GooF = S = 1.046, Restrained GooF = 1.046 for all data REM R1 = 0.0548 for 2582 Fo > 4sig(Fo) and 0.0989 for all 4119 data REM 200 parameters refined using 0 restraints END WGHT 0.0633 0.2643 REM No hydrogen bonds found for HTAB generation REM Highest difference peak 0.240, deepest hole -0.164, 1-sigma level 0.037 Q1 1 0.7316 0.4099 0.4048 11.00000 0.05 0.24 Q2 1 0.7617 0.5302 0.5349 11.00000 0.05 0.20 Q3 1 0.8030 0.5260 0.5188 11.00000 0.05 0.19 Q4 1 0.8561 0.4002 0.6245 11.00000 0.05 0.19 Q5 1 0.6377 0.4096 0.4240 11.00000 0.05 0.18 ; _shelx_res_checksum 94223 loop_ _space_group_symop_operation_xyz 'x, y, z' '-x, y+1/2, -z+1/2' '-x, -y, -z' 'x, -y-1/2, z-1/2' loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_occupancy _atom_site_site_symmetry_order _atom_site_calc_flag _atom_site_refinement_flags_posn _atom_site_refinement_flags_adp _atom_site_refinement_flags_occupancy _atom_site_disorder_assembly _atom_site_disorder_group C1 C 0.85234(19) 0.29922(9) 0.69754(14) 0.0471(3) Uani 1 1 d . . . . . H1 H 0.796723 0.270852 0.631997 0.057 Uiso 1 1 calc R U . . . C2 C 0.9256(2) 0.26050(10) 0.80148(15) 0.0546(4) Uani 1 1 d . . . . . H2 H 0.920996 0.206039 0.804955 0.066 Uiso 1 1 calc R U . . . C3 C 1.0069(2) 0.30197(11) 0.90199(16) 0.0601(4) Uani 1 1 d . . . . . H3 H 1.056740 0.275037 0.971680 0.072 Uiso 1 1 calc R U . . . C4 C 1.0137(2) 0.38167(11) 0.89846(15) 0.0567(4) Uani 1 1 d . . . . . H4 H 1.065902 0.408912 0.966828 0.068 Uiso 1 1 calc R U . . . C5 C 0.94221(17) 0.42342(9) 0.79202(13) 0.0441(3) Uani 1 1 d . . . . . C6 C 0.86063(16) 0.38136(8) 0.68929(12) 0.0377(3) Uani 1 1 d . . . . . C7 C 0.79351(16) 0.42539(7) 0.58010(12) 0.0360(3) Uani 1 1 d . . . . . C8 C 0.81382(16) 0.50608(8) 0.58188(13) 0.0385(3) Uani 1 1 d . . . . . C9 C 0.89511(19) 0.54174(9) 0.69142(15) 0.0497(4) Uani 1 1 d . . . . . H9 H 0.905302 0.596079 0.691287 0.060 Uiso 1 1 calc R U . . . C10 C 0.71237(17) 0.39032(8) 0.46960(12) 0.0394(3) Uani 1 1 d . . . . . H10 H 0.697241 0.336248 0.466952 0.047 Uiso 1 1 calc R U . . . C11 C 0.65658(16) 0.43494(8) 0.36766(12) 0.0388(3) Uani 1 1 d . . . . . C12 C 0.75371(17) 0.55512(8) 0.47439(13) 0.0419(3) Uani 1 1 d . . . . . C13 C 0.5970(2) 0.56578(9) 0.26846(15) 0.0543(4) Uani 1 1 d . . . . . H13A H 0.680595 0.578722 0.208278 0.082 Uiso 1 1 calc R U . . . H13B H 0.555259 0.613053 0.305676 0.082 Uiso 1 1 calc R U . . . H13C H 0.506059 0.538291 0.224503 0.082 Uiso 1 1 calc R U . . . C14 C 0.58392(17) 0.39587(8) 0.24930(13) 0.0420(3) Uani 1 1 d . . . . . C15 C 0.65581(19) 0.40475(10) 0.13043(14) 0.0508(4) Uani 1 1 d . . . . . H15 H 0.746632 0.438377 0.122257 0.061 Uiso 1 1 calc R U . . . C16 C 0.5915(2) 0.36330(11) 0.02446(15) 0.0580(4) Uani 1 1 d . . . . . H16 H 0.639266 0.369441 -0.054903 0.070 Uiso 1 1 calc R U . . . C17 C 0.4576(2) 0.31314(10) 0.03552(16) 0.0604(5) Uani 1 1 d . . . . . H17 H 0.414828 0.285876 -0.036327 0.073 Uiso 1 1 calc R U . . . C18 C 0.3870(2) 0.30328(10) 0.15285(16) 0.0575(4) Uani 1 1 d . . . . . H18 H 0.297000 0.269089 0.160409 0.069 Uiso 1 1 calc R U . . . C19 C 0.44998(19) 0.34432(9) 0.25971(14) 0.0484(4) Uani 1 1 d . . . . . H19 H 0.402330 0.337325 0.338935 0.058 Uiso 1 1 calc R U . . . N1 N 0.95666(17) 0.50404(8) 0.79236(12) 0.0546(3) Uani 1 1 d . . . . . N2 N 0.67238(14) 0.51564(6) 0.37104(11) 0.0413(3) Uani 1 1 d . . . . . O1 O 0.76997(15) 0.62675(6) 0.47183(11) 0.0580(3) Uani 1 1 d . . . . . loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 C1 0.0534(8) 0.0450(8) 0.0425(8) 0.0033(6) -0.0024(6) 0.0015(6) C2 0.0567(9) 0.0529(9) 0.0543(9) 0.0145(7) 0.0032(7) 0.0060(7) C3 0.0506(9) 0.0804(12) 0.0488(9) 0.0228(8) -0.0045(7) 0.0013(8) C4 0.0483(8) 0.0819(12) 0.0390(8) 0.0046(8) -0.0072(6) -0.0080(8) C5 0.0399(7) 0.0556(9) 0.0366(7) -0.0019(6) -0.0002(5) -0.0057(6) C6 0.0370(6) 0.0437(7) 0.0325(6) 0.0001(5) 0.0016(5) 0.0011(5) C7 0.0374(6) 0.0382(7) 0.0324(6) -0.0019(5) 0.0023(5) 0.0001(5) C8 0.0411(7) 0.0375(7) 0.0373(7) -0.0035(5) 0.0050(5) -0.0023(5) C9 0.0546(8) 0.0430(8) 0.0512(9) -0.0080(7) -0.0004(7) -0.0093(6) C10 0.0500(8) 0.0334(6) 0.0344(7) -0.0011(5) -0.0022(5) -0.0009(5) C11 0.0421(7) 0.0396(7) 0.0346(7) 0.0001(5) 0.0013(5) 0.0020(5) C12 0.0462(7) 0.0365(7) 0.0436(8) 0.0001(6) 0.0083(6) 0.0002(6) C13 0.0595(9) 0.0524(9) 0.0511(9) 0.0155(7) 0.0023(7) 0.0123(7) C14 0.0460(7) 0.0439(7) 0.0354(7) 0.0006(6) -0.0054(5) 0.0052(6) C15 0.0505(8) 0.0632(10) 0.0383(8) 0.0016(7) -0.0030(6) -0.0010(7) C16 0.0614(10) 0.0774(11) 0.0346(8) -0.0033(7) -0.0045(7) 0.0105(9) C17 0.0644(10) 0.0663(10) 0.0487(9) -0.0154(8) -0.0166(8) 0.0093(8) C18 0.0589(9) 0.0538(9) 0.0585(10) -0.0062(7) -0.0120(8) -0.0045(7) C19 0.0531(8) 0.0491(8) 0.0427(8) 0.0009(6) -0.0021(6) 0.0008(7) N1 0.0585(8) 0.0570(8) 0.0472(7) -0.0087(6) -0.0084(6) -0.0112(6) N2 0.0486(6) 0.0384(6) 0.0370(6) 0.0042(5) 0.0018(5) 0.0039(5) O1 0.0796(8) 0.0349(6) 0.0600(7) 0.0024(5) 0.0073(6) -0.0027(5) loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle_publ_flag C2 C1 C6 120.54(14) . . ? C2 C1 H1 119.7 . . ? C6 C1 H1 119.7 . . ? C1 C2 C3 120.68(15) . . ? C1 C2 H2 119.7 . . ? C3 C2 H2 119.7 . . ? C4 C3 C2 120.25(14) . . ? C4 C3 H3 119.9 . . ? C2 C3 H3 119.9 . . ? C3 C4 C5 120.64(15) . . ? C3 C4 H4 119.7 . . ? C5 C4 H4 119.7 . . ? N1 C5 C4 118.03(13) . . ? N1 C5 C6 122.78(13) . . ? C4 C5 C6 119.19(14) . . ? C1 C6 C5 118.66(12) . . ? C1 C6 C7 123.39(12) . . ? C5 C6 C7 117.93(12) . . ? C8 C7 C10 118.46(12) . . ? C8 C7 C6 117.91(11) . . ? C10 C7 C6 123.61(12) . . ? C7 C8 C9 118.99(13) . . ? C7 C8 C12 121.71(12) . . ? C9 C8 C12 119.29(12) . . ? N1 C9 C8 124.94(14) . . ? N1 C9 H9 117.5 . . ? C8 C9 H9 117.5 . . ? C11 C10 C7 120.80(12) . . ? C11 C10 H10 119.6 . . ? C7 C10 H10 119.6 . . ? C10 C11 N2 120.71(12) . . ? C10 C11 C14 119.43(12) . . ? N2 C11 C14 119.81(11) . . ? O1 C12 N2 120.46(13) . . ? O1 C12 C8 123.77(13) . . ? N2 C12 C8 115.77(12) . . ? N2 C13 H13A 109.5 . . ? N2 C13 H13B 109.5 . . ? H13A C13 H13B 109.5 . . ? N2 C13 H13C 109.5 . . ? H13A C13 H13C 109.5 . . ? H13B C13 H13C 109.5 . . ? C19 C14 C15 119.11(13) . . ? C19 C14 C11 119.19(13) . . ? C15 C14 C11 121.49(13) . . ? C16 C15 C14 119.76(15) . . ? C16 C15 H15 120.1 . . ? C14 C15 H15 120.1 . . ? C17 C16 C15 120.64(15) . . ? C17 C16 H16 119.7 . . ? C15 C16 H16 119.7 . . ? C16 C17 C18 120.03(15) . . ? C16 C17 H17 120.0 . . ? C18 C17 H17 120.0 . . ? C17 C18 C19 119.99(16) . . ? C17 C18 H18 120.0 . . ? C19 C18 H18 120.0 . . ? C18 C19 C14 120.46(15) . . ? C18 C19 H19 119.8 . . ? C14 C19 H19 119.8 . . ? C9 N1 C5 117.42(12) . . ? C11 N2 C12 122.45(11) . . ? C11 N2 C13 121.77(12) . . ? C12 N2 C13 115.71(12) . . ? loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag C1 C2 1.372(2) . ? C1 C6 1.405(2) . ? C1 H1 0.9300 . ? C2 C3 1.395(2) . ? C2 H2 0.9300 . ? C3 C4 1.360(2) . ? C3 H3 0.9300 . ? C4 C5 1.412(2) . ? C4 H4 0.9300 . ? C5 N1 1.379(2) . ? C5 C6 1.4175(18) . ? C6 C7 1.4415(18) . ? C7 C8 1.3852(18) . ? C7 C10 1.4220(17) . ? C8 C9 1.4189(19) . ? C8 C12 1.4574(19) . ? C9 N1 1.3053(19) . ? C9 H9 0.9300 . ? C10 C11 1.3611(18) . ? C10 H10 0.9300 . ? C11 N2 1.3818(17) . ? C11 C14 1.4908(18) . ? C12 O1 1.2284(17) . ? C12 N2 1.3997(18) . ? C13 N2 1.4717(17) . ? C13 H13A 0.9600 . ? C13 H13B 0.9600 . ? C13 H13C 0.9600 . ? C14 C19 1.390(2) . ? C14 C15 1.393(2) . ? C15 C16 1.386(2) . ? C15 H15 0.9300 . ? C16 C17 1.376(3) . ? C16 H16 0.9300 . ? C17 C18 1.376(2) . ? C17 H17 0.9300 . ? C18 C19 1.386(2) . ? C18 H18 0.9300 . ? C19 H19 0.9300 . ? loop_ _geom_torsion_atom_site_label_1 _geom_torsion_atom_site_label_2 _geom_torsion_atom_site_label_3 _geom_torsion_atom_site_label_4 _geom_torsion _geom_torsion_site_symmetry_1 _geom_torsion_site_symmetry_2 _geom_torsion_site_symmetry_3 _geom_torsion_site_symmetry_4 _geom_torsion_publ_flag C6 C1 C2 C3 1.2(2) . . . . ? C1 C2 C3 C4 0.4(2) . . . . ? C2 C3 C4 C5 -1.5(3) . . . . ? C3 C4 C5 N1 -178.39(15) . . . . ? C3 C4 C5 C6 1.0(2) . . . . ? C2 C1 C6 C5 -1.7(2) . . . . ? C2 C1 C6 C7 176.93(13) . . . . ? N1 C5 C6 C1 179.92(13) . . . . ? C4 C5 C6 C1 0.6(2) . . . . ? N1 C5 C6 C7 1.3(2) . . . . ? C4 C5 C6 C7 -178.08(13) . . . . ? C1 C6 C7 C8 -178.18(13) . . . . ? C5 C6 C7 C8 0.41(18) . . . . ? C1 C6 C7 C10 -0.1(2) . . . . ? C5 C6 C7 C10 178.50(12) . . . . ? C10 C7 C8 C9 -179.79(12) . . . . ? C6 C7 C8 C9 -1.60(19) . . . . ? C10 C7 C8 C12 0.30(19) . . . . ? C6 C7 C8 C12 178.48(12) . . . . ? C7 C8 C9 N1 1.3(2) . . . . ? C12 C8 C9 N1 -178.79(14) . . . . ? C8 C7 C10 C11 0.3(2) . . . . ? C6 C7 C10 C11 -177.79(12) . . . . ? C7 C10 C11 N2 -2.2(2) . . . . ? C7 C10 C11 C14 175.35(12) . . . . ? C7 C8 C12 O1 -179.60(13) . . . . ? C9 C8 C12 O1 0.5(2) . . . . ? C7 C8 C12 N2 0.98(19) . . . . ? C9 C8 C12 N2 -178.93(12) . . . . ? C10 C11 C14 C19 55.56(18) . . . . ? N2 C11 C14 C19 -126.85(14) . . . . ? C10 C11 C14 C15 -119.05(16) . . . . ? N2 C11 C14 C15 58.55(18) . . . . ? C19 C14 C15 C16 1.0(2) . . . . ? C11 C14 C15 C16 175.64(13) . . . . ? C14 C15 C16 C17 -0.3(2) . . . . ? C15 C16 C17 C18 -0.5(2) . . . . ? C16 C17 C18 C19 0.5(2) . . . . ? C17 C18 C19 C14 0.3(2) . . . . ? C15 C14 C19 C18 -1.1(2) . . . . ? C11 C14 C19 C18 -175.79(13) . . . . ? C8 C9 N1 C5 0.3(2) . . . . ? C4 C5 N1 C9 177.71(14) . . . . ? C6 C5 N1 C9 -1.6(2) . . . . ? C10 C11 N2 C12 3.7(2) . . . . ? C14 C11 N2 C12 -173.88(12) . . . . ? C10 C11 N2 C13 -173.27(13) . . . . ? C14 C11 N2 C13 9.17(19) . . . . ? O1 C12 N2 C11 177.60(13) . . . . ? C8 C12 N2 C11 -2.96(18) . . . . ? O1 C12 N2 C13 -5.28(19) . . . . ? C8 C12 N2 C13 174.16(12) . . . . ?